Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Lateral Number 2 | Canal | 96 | Dunklin | 36 33 15 N | 090 07 05 W |
| Lateral Number 2 | Canal | 90 | Stoddard | 36 38 27 N | 090 02 20 W |
| Lateral Number 27 | Canal | 73 | Dunklin | 36 00 04 N | 090 01 50 W |
| Lateral Number 3 | Canal | 76 | Dunklin | 36 13 20 N | 090 00 39 W |
| Lateral Number 3 | Canal | 73 | Dunklin | 36 00 48 N | 090 20 46 W |
| Lateral Number 3 | Canal | 91 | Mississippi | 36 45 44 N | 089 12 46 W |
| Lateral Number 4 | Canal | 75 | Dunklin | 36 04 11 N | 090 01 18 W |
| Lateral Number 4 | Canal | 77 | Dunklin | 36 14 28 N | 090 00 40 W |
| Lateral Number 4 | Canal | 88 | Stoddard | 36 47 39 N | 089 50 13 W |
| Lateral Number 6 | Canal | 74 | Dunklin | 36 03 09 N | 089 58 58 W |
| Lateral Number 7 | Canal | 89 | Mississippi | 36 42 37 N | 089 14 27 W |
| Lateral School (historical) | School | 82 | New Madrid | 36 27 04 N | 089 46 38 W |
| Latham | Populated Place | 273 | Moniteau | 38 33 39 N | 092 40 57 W |
| Latham Cemetery | Cemetery | 268 | Moniteau | 38 33 52 N | 092 40 06 W |
| Latham Mill | Populated Place | 337 | Wright | 37 17 06 N | 092 23 21 W |
| Lathrop | Populated Place | 324 | Clinton | 39 32 54 N | 094 19 48 W |
| Lathrop Family Practice Heliport | Airport | 322 | Clinton | 39 33 22 N | 094 19 56 W |
| Lathrop Lake | Reservoir | 301 | Clinton | 39 35 12 N | 094 18 37 W |
| Lathrop Lake and Forest Club Dam | Dam | 301 | Clinton | 39 35 12 N | 094 18 37 W |
| Lathrop School (historical) | School | 280 | Jackson | 39 05 58 N | 094 35 14 W |
| Lathrope School (historical) | School | 241 | Boone | 39 02 00 N | 092 29 41 W |
| Latimore School (historical) | School | 385 | Dallas | 37 33 53 N | 092 52 55 W |
| Latoh (historical) | Populated Place | 249 | Carroll | 39 35 51 N | 093 38 12 W |
| Latoh Post Office | Post Office | 249 | Carroll | 39 35 51 N | 093 38 12 W |
| Latour | Populated Place | 249 | Johnson | 38 38 04 N | 094 06 08 W |
| Latour School | School | 253 | Johnson | 38 38 01 N | 094 06 17 W |
| Latter Day Saints Church | Church | 278 | Osage | 38 28 16 N | 091 48 05 W |
| Latter Day Saints Church | Church | 269 | Reynolds | 37 17 54 N | 091 07 35 W |
| Latter Day Saints Church (historical) | Church | 391 | Howell | 36 54 39 N | 091 55 16 W |
| Latty | Populated Place | 245 | Washington | 37 59 16 N | 090 51 02 W |
| Latty Valley | Valley | | Carter | 36 59 27 N | 090 58 04 W |
| Latty Valley Ridge | Ridge | 283 | Carter | 37 00 43 N | 090 55 55 W |
| Laubert Cemetery | Cemetery | 231 | Gasconade | 38 26 02 N | 091 36 01 W |
| Laubinger Ford | Populated Place | 188 | Franklin | 38 20 29 N | 091 14 44 W |
| Laubinger Memorial Cemetery | Cemetery | 259 | Franklin | 38 19 25 N | 091 12 54 W |
| Lauck Lake Dam | Dam | 144 | Scott | 37 10 54 N | 089 37 48 W |
| Lauer Island | Island | 142 | St. Charles | 38 40 15 N | 090 42 42 W |
| Laughlin Cemetery | Cemetery | 226 | Camden | 37 59 32 N | 092 48 13 W |
| Laughlin Cemetery | Cemetery | 327 | Mercer | 40 33 49 N | 093 29 14 W |
| Laughlin Cemetery | Cemetery | 229 | Osage | 38 33 30 N | 091 52 10 W |
| Laughlin Cemetery | Cemetery | 265 | Pulaski | 37 46 33 N | 092 09 55 W |
| Laughlin School (historical) | School | 327 | Mercer | 40 31 52 N | 093 24 12 W |
| Laura | Populated Place | 203 | Lewis | 40 13 17 N | 091 36 06 W |
| Laura M Baker Dam | Dam | 211 | Lewis | 40 04 30 N | 091 54 37 W |
| Laura M Baker Lake | Reservoir | 211 | Lewis | 40 04 30 N | 091 54 37 W |
| Laura Valley Hill | Summit | 207 | Ste. Genevieve | 37 46 33 N | 090 09 08 W |
| Laurel Hill Cemetery | Cemetery | 168 | St. Louis | 38 41 06 N | 090 18 49 W |
| Laurel Hills School | School | 291 | Jackson | 39 01 31 N | 094 28 34 W |
| Laurel Oak Cemetery | Cemetery | 273 | Henry | 38 31 21 N | 093 31 14 W |
| Laurel Ridge School (historical) | School | 260 | Miller | 38 18 14 N | 092 38 33 W |
| Laurie | Populated Place | 294 | Morgan | 38 11 57 N | 092 50 01 W |
| Laurie Cemetery | Cemetery | 272 | Douglas | 36 55 25 N | 092 32 59 W |
| Laurie Hollow | Valley | | Camden | 38 07 25 N | 092 49 47 W |
| Lauries Landing Airport | Airport | 369 | Dallas | 37 31 07 N | 093 05 35 W |
| Laury Lake Dam | Dam | 259 | Gasconade | 38 25 30 N | 091 25 01 W |
| LaValle | Populated Place | 87 | Stoddard | 36 40 31 N | 089 46 25 W |
| Lavelock Cemetery | Cemetery | 227 | Ray | 39 18 28 N | 093 50 23 W |
| Lavingon Dam | Dam | 177 | Marion | 39 55 36 N | 091 37 25 W |
| Lavinia Park | Park | 191 | Cole | 38 35 27 N | 092 11 59 W |
| Law Lake Dam | Dam | 297 | Gentry | 40 03 42 N | 094 25 43 W |
| Lawder School (historical) | School | 248 | Audrain | 39 09 49 N | 091 49 47 W |
| Lawing (historical) | Populated Place | 399 | Christian | 36 55 26 N | 093 10 11 W |
| Lawless Lake | Reservoir | 286 | Barton | 37 26 48 N | 094 18 37 W |
| Lawless Lake Dam | Dam | 240 | Iron | 37 24 06 N | 090 41 00 W |
| Lawn Hill Cemetery | Cemetery | 274 | Platte | 39 24 56 N | 094 53 51 W |
| Lawn Ridge (historical) | Building | 232 | Scotland | 40 30 26 N | 092 05 45 W |
| Lawn Ridge Church | Church | 239 | Scotland | 40 30 38 N | 092 05 46 W |
| Lawnwood School (historical) | School | 256 | Jackson | 39 11 51 N | 094 14 37 W |
| Lawrence Brixey Dam | Dam | 459 | Webster | 37 15 30 N | 092 44 01 W |
| Lawrence Cemetery | Cemetery | 179 | Callaway | 38 42 54 N | 091 46 43 W |
| Lawrence Cemetery | Cemetery | 260 | Vernon | 38 01 24 N | 094 34 34 W |
| Lawrence County | Civil | 375 | Lawrence | 37 07 00 N | 093 50 01 W |
| Lawrence Dam | Dam | 225 | Callaway | 38 50 12 N | 091 52 19 W |
| Lawrence Ford (historical) | Locale | 279 | Stone | 36 32 17 N | 093 31 11 W |
| Lawrence Hollow | Valley | | Callaway | 38 47 47 N | 091 52 19 W |
| Lawrence Hollow | Valley | | Phelps | 37 40 31 N | 091 57 36 W |
| Lawrence Hollow | Valley | | Shannon | 37 08 33 N | 091 26 38 W |
| Lawrence Hollow | Valley | | Ste. Genevieve | 38 01 40 N | 090 06 55 W |
| Lawrence School | School | 175 | Callaway | 38 43 13 N | 091 47 04 W |
| Lawrence School (historical) | School | 207 | Clark | 40 27 15 N | 091 37 24 W |
| Lawrence Schroepfer Reservoir | Reservoir | 200 | Franklin | 38 22 06 N | 091 11 49 W |
| Lawrence Smith Memorial Airport | Airport | 269 | Cass | 38 36 20 N | 094 20 46 W |
| Lawrenceburg | Populated Place | 372 | Lawrence | 37 14 40 N | 093 39 37 W |
| Lawrenceburg School (historical) | School | 371 | Lawrence | 37 14 44 N | 093 39 40 W |
| Lawrenceton | Populated Place | 171 | Ste. Genevieve | 37 57 54 N | 090 18 18 W |
| Lawrenceton School (historical) | School | 176 | Ste. Genevieve | 37 57 55 N | 090 18 19 W |
| Lawson | Populated Place | 325 | Ray | 39 26 18 N | 094 12 15 W |
| Lawson Branch | Stream | | Callaway | 38 40 44 N | 092 02 07 W |
| Lawson Cemetery | Cemetery | 260 | Miller | 38 09 35 N | 092 11 01 W |
| Lawson City Reservoir Dam | Dam | 311 | Ray | 39 27 24 N | 094 12 07 W |
| Lawson Lake | Reservoir | 311 | Ray | 39 27 24 N | 094 12 07 W |
| Lawson Lake | Reservoir | 420 | Wright | 37 24 12 N | 092 40 01 W |
| Lawson Lake Dam | Dam | 216 | St. Charles | 38 42 42 N | 092 56 13 W |
| Lawson School (historical) | School | 263 | Audrain | 39 15 46 N | 092 10 12 W |
| Lawson School (historical) | School | 211 | Miller | 38 13 01 N | 092 30 45 W |
| Lawson School (historical) | School | 321 | Ray | 39 25 05 N | 094 10 51 W |
| Lawson School (historical) | School | 397 | Wright | 37 17 20 N | 092 22 28 W |
| Laxton Cemetery | Cemetery | 288 | Jasper | 37 10 19 N | 094 26 43 W |
| Laxton Hollow | Valley | | Shannon | 37 17 18 N | 091 12 41 W |
| Laxton Spring | Spring | 279 | Shannon | 37 18 32 N | 091 13 23 W |
| Lay Branch | Stream | | Crawford | 37 50 53 N | 091 31 05 W |
| Lay Cemetery | Cemetery | 338 | Dent | 37 41 36 N | 091 28 38 W |
| Lay Cemetery | Cemetery | 233 | Howard | 39 12 42 N | 092 38 14 W |
| Lay Chapel (historical) | Church | 248 | Howard | 39 14 22 N | 092 36 01 W |
| Lay High School (historical) | School | 245 | Osage | 38 37 01 N | 091 43 13 W |
| Layneville | Populated Place | 321 | Barton | 37 29 41 N | 094 05 44 W |
| Layton Hollow | Valley | | Barry | 36 41 24 N | 094 05 16 W |
| Layton School | School | 267 | Caldwell | 39 39 20 N | 093 48 50 W |
| Layton School | School | 213 | Perry | 37 39 50 N | 090 00 29 W |
| Lazy Branch | Stream | | Jackson | 39 10 56 N | 094 20 01 W |